-90.05% is the change from 623 to 62
Calculation steps:
[( 62 - 623 ) ÷ 623] x 100 = -90.05%
Formula
Percentage change = [(62 - 623) / 623] x 100
Subtract the new number by the original number
62 - 623 = -561
-561 ÷ 623 = -0.9004815409309791
-0.9004815409309791 x 100 = -90.05%